books.google.pl - The Bell Huey Cobra was the very first purpose-designed helicopter gunship to become operational and to see combat. Designed in the mid-1960s as an &quot;interim solution&quot; for an armed escort and close-support weapon to support the US Army in the Vietnam War, it is still being manufactured and improved...http://books.google.pl/books/about/Huey_Cobra_Gunships.html?hl=pl&id=mpttCRR5R7oC&utm_source=gb-gplus-shareHuey Cobra Gunships